Subject

Chemistry

Class

JEE Class 12

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

41.

Which of the following compound of xenon does not exists?

  • XeF6

  • XeF4

  • XeF5

  • XeF2


42.

Haber process is used for the production of which of the following?

  • NH3

  • HNO3

  • H2SO4

  • O3


43.

Which of the following compound is used as a refrigerant?

  • CCl4

  • CCl2F2

  • CF4

  • Acetone


44.

The nature of 2, 4, 6-trinitrophenol is

  • neutral

  • basic

  • acidic

  • weak basic


Advertisement
Advertisement

45.

Which of the following statement is false?

  • 40% solution HCHO is known as formalin

  • HCHO is least reactive in its homologous series

  • The boiling point of iso-vareladehyde is less than n-varelaldehyde

  • The boiling point of ketones are higher than that of aldehydes


B.

HCHO is least reactive in its homologous series

Formaldehyde is the most reactive in its homologous series. Order of reactivity of some aldehydes is as follows-

HCHO > CH3CHO > CH3CH2CHO


Advertisement
46.

Which of the following acids does not contain -COOH group?

  • Carbamic acid

  • Barbituric acid

  • Lactic acid

  • Succinic acid


47.

The natural rubber is the polymer of

  • 1, 3-butadiene

  • polyamide

  • isoprene

  • None of these


48.

Nylone-66 is a

  • polyester

  • polyamide

  • polyacrylate

  • None of the above


Advertisement
49.

The alkaline hydrolysis of ester is known as

  • dehydrogenation

  • dehydration

  • esterification

  • saponification


50.

Which of the following compound forms white precipitate with bromine water?

  • Nitrobenzene

  • Phenol

  • Benzene

  • All of the above


Advertisement